#library(testthat)
test_that("url_parameter_string() works", {
f <- wasserportal:::url_parameter_string
expect_identical(f(), "")
expect_identical(f(a = 1, b = 2), "a=1&b=2")
expect_identical(f(a = 1, b = "abc"), "a=1&b=abc")
})
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